English to Portuguese Tech/Engineering Petroleum Eng/Sci

Trata-se de relés de Proteção...
Flush mounted seria do tipo de embutir?....

Contexto: "Protective relays is flush mounted, draw-out pattern and be mounted so as to be easily accessible from floor level. It is possible to withdraw drawout relays with all circuits energised, without open-circuiting current transformer secondary or causing protective relays to operate."

Agradeço desde já!